The D-Link DSL-2640R is a wireless ADSL router designed for both home and small office use. It offers a high-speed internet connection with speeds of up to 54 Mbps and comes equipped with four Ethernet ports for wired connections. The router also has a built-in firewall for added security and supports a range of wireless encryption protocols. Additionally, it features a web-based configuration interface for easy setup and management.

The DSL-2640R is a router manufactured by the company D-Link that allows multiple devices to connect to a network and communicate with each other. It works by receiving data packets from devices and forwarding them to their intended destination. The router is assigned a unique IP address 192.168.1.1, which serves as its identifier on the network.

To access the router's settings and configure its functions, users can log in using a web browser and their admin and admin. Once logged in, users can customize various settings such as network name, password, and security protocols. They can also set up parental controls, prioritize bandwidth usage, and monitor network activity.